Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MLB callsign genealogy
Currently held by OLSON, MARVIN O
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W0MLB's current licensee, walking backwards.
- Brixey, Max LMOgranted 2009-08-27cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held W0MLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MLB, oldest first.
- OLSON, MARVIN O CO1988-11-08 → cancelled 2000-11-09
- Brixey, Max L MO2018-11-24 active